Alpha™ Siren Series
1 of 5
ALPHA12S
2 of 5
ALPHA12S
3 of 5
ALPHASL
4 of 5
ALPHASL
5 of 5
ALPHASL
Alpha™ Siren Series
The Alpha Siren Series delivers up to 200 watts of auditory warning power in a compact design ideal for undercover and volunteer vehicles. Offering multiple warning tones, hands-free operation, and horn ring override capability, the Alpha Siren Series allows for flexible, effective control in emergency situations. With easy set-up and configuration using dip switches, it meets system requirements without special ordering, making it a convenient option for various applications. Whether used for traffic stops, pursuits, or crowd management, the Alpha Siren Series ensures reliable, adaptable performance.
Features
- Compact, Versatile Design: Ideal for undercover, volunteer, or other applications not requiring radio repeat or PA functionality
- Flexible Configuration: Easily adapt to local requirements without need for special orders
- Harmonic Airhorn Tones: Produces harmonically rich composite tones for clear, commanding sound that cuts through noise
- Dynamic Siren Control: Operate siren tones using the horn ring or auxiliary switches, providing flexible and responsive functionality
- Tone Cycling Capability: Seamlessly cycles through 2 or 3 siren tones for enhanced warning effectiveness
- ALPHA12S Model: Features a self-contained 100-watt siren with convenient DIP switch configuration for simplified setup
- ALPHASL Model: Offers a remote 200-watt siren with advanced Scan-Lock™ programmability, enabling full tone customization
- Control Options Available: Pair with Whelen’s ALPHA line of switches for tailored control and operation.
Specifications
Please note: Not all specifications will apply to every model. Consult your sales representative to confirm specs.
| ALPHA12S | ALPHASL | |
| Inputs/Outputs | 100-watt Output | 200-watt Output |
| Speakers | Operates (1) 100-watt Speaker | Operates (1) or (2) 100-watt Speakers |
| Microphones | No Microphone | No Microphone |
| Technology | Scan-Lock™: Advanced siren tone control Hands-Free Operation | Scan-Lock™: Advanced siren tone control Hands-Free Operation |
| Tones | N/A | 20 Scan-Lock™ siren tones |
| Control | Operate siren tones using the horn ring or separate switches | Operate siren tones using the horn ring or separate switches |
| Customization | Switches Available: ALPHA1 - Single Rocker On/Off ALPHA2 - Single On/Off Plus Momentary for Airhorn ALPHA3 - Tone 1/Off/Tone 2 Switch ALPHA4 - Three Switch Operation ALPHA5 - Three Position Toggle Switch | Switches Available: ALPHA1 - Single Rocker On/Off ALPHA2 - Single On/Off Plus Momentary for Airhorn ALPHA3 - Tone 1/Off/Tone 2 Switch ALPHA4 - Three Switch Operation ALPHA5 - Three Position Toggle Switch |
| Construction | Output Protection: Open and short circuit protected Easy Installation: Pre-wired with quick disconnect plugs for easy service and fast replacement | Output Protection: Open and short circuit protected Easy Installation: Pre-wired with quick disconnect plugs for easy service and fast replacement |
| Mounting | Bail Bracket, Spade fuse with in-line connector ALPHA1-4 switches mount via included “L” bracket | Base Mount Flange, Spade fuse with PC board ALPHA1-4 switches mount via included “L” bracket |
| Included Cables & Hardware | 6 pin amp Mate-N-Lok®, 24” (60.96 cm) wiring pigtail | 16 position input connector |
| Certifications | SAE Standards SAE Class A Regulatory Compliance CA Title 13 Certifications applicable when paired with one Whelen 100-watt speaker | SAE Standards SAE Class A Regulatory Compliance CA Title 13 Certifications applicable when paired with one Whelen 100-watt speaker |
| Warranty | 2-year | 2-year |
| Voltage | 12 VDC | 12 VDC |
| Amps | 8.0 (peak) | 15.0 (peak) |
| Size | Height: 3.46” (8.79 cm) Width: 6.90” (17.53 cm) Depth: 4.62” (11.73 cm) Weight: 2.2 lbs (1 kg) | Height: 2.25” (5.721 cm) Width: 4.75” (12.07 cm) Depth: 5.00” (12.70 cm) Weight: 2.4 lbs (1.09 kg) |
Alpha™ Siren Series
Self-Contained Siren with Faceplate Switches, Selectable Four Tone Hands-Free Siren, For Single 100-Watt Speaker
Remote Siren, for Use with Remote Switches (Purchased Separately), Selectable Four Tone Hands-Free Siren, For One or Two 100-Watt Speakers
Optional Remote Switches for Alpha™ Siren Series
ALPHA1
Single On/Off Switch for Use with Hands-Free Operation
ALPHA2
Single On/Off Hands-Free Activation Plus Momentary Switch for Air Horn
ALPHA3
TONE 1/Off/TONE 2 Switch Operation Plus Momentary Switch for Air Horn
ALPHA4
Three-Switch Operation, One On/Off, One TONE 1/Hands-Free/TONE 2, One Momentary Switch for Airhorn
ALPHA5
3-Switch Toggle, Controls 3 Siren Tones and Other Warning Lights or Device Functions, Contacts Rated at 30 Amps
Product Sheets